Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 636-1-6881 found under Bearing Release by Foremost Industries Lp By Itsgeneral. The National Stock Number assigned to this part is 3110008905930, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 636-1-6881.